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DAC7742YB/2KG4 PDF预览

DAC7742YB/2KG4

更新时间： 2024-11-29 21:16:47
品牌 Logo 应用领域
德州仪器 - TI 输入元件转换器
页数 文件大小 规格书
22页 721K
描述
PARALLEL, WORD INPUT LOADING, 3us SETTLING TIME, 16-BIT DAC, PQFP48, GREEN, PLASTIC, LQFP-48

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DAC7742YB/2KG4 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：QFP
包装说明：LFQFP, QFP48,.35SQ,20针数：48
Reach Compliance Code：compliant风险等级：5.65
最大模拟输出电压：10 V最小模拟输出电压：-10 V
转换器类型：D/A CONVERTER输入位码：COMPLEMENTARY BINARY, COMPLEMENTARY OFFSET BINARY
输入格式：PARALLEL, WORDJESD-30 代码：S-PQFP-G48
长度：7 mm最大线性误差 (EL)：0.0061%
标称负供电电压：-15 V位数：16
功能数量：1端子数量：48
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：LFQFP
封装等效代码：QFP48,.35SQ,20封装形状：SQUARE
封装形式：FLATPACK, LOW PROFILE, FINE PITCH峰值回流温度（摄氏度）：NOT SPECIFIED
电源：5,+-15 V认证状态：Not Qualified
座面最大高度：1.6 mm最大稳定时间：5 µs
标称安定时间 (tstl)：3 µs子类别：Other Converters
标称供电电压：15 V表面贴装：YES
温度等级：INDUSTRIAL端子形式：GULL WING
端子节距：0.5 mm端子位置：QUAD
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：7 mm
Base Number Matches：1

DAC7742YB/2KG4 数据手册

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DAC7742  
D
A
C
7
7
4
2
SBAS256A – DECEMBER 2002 – AUGUST 2007  
16-Bit, Single Channel  
DIGITAL-TO-ANALOG CONVERTER  
With Internal Reference and Parallel Interface  
DESCRIPTION  
FEATURES  
ꢀ LOW POWER: 150mW Maximum  
The DAC7742 is a 16-bit Digital-to-Analog Converter (DAC)  
that provides 16 bits of monotonic performance over the  
specified operating temperature range and offers a +10V,  
low-drift internal reference. Designed for automatic test equip-  
ment and industrial process control applications, the DAC7742  
output swing can be configured in a ±10V, ±5V, or +10V  
range. The flexibility of the output configuration allows the  
DAC7742 to provide both unipolar and bipolar operation by  
pin strapping. The DAC7742 includes a high-speed output  
amplifier with a maximum settling time of 5µs to ±0.003%  
FSR for a 20V full-scale change and only consumes 100mW  
(typical) of power.  
ꢀ +10V INTERNAL REFERENCE  
ꢀ UNIPOLAR OR BIPOLAR OPERATION  
ꢀ SETTLING TIME: 5µs to ±0.003% FSR  
ꢀ 16-BIT MONOTINICITY, –40°C TO +85°C  
ꢀ ±10V, ±5V OR +10V CONFIGURABLE VOLTAGE  
OUTPUT  
ꢀ RESET TO MIN-SCALE OR MID-SCALE  
ꢀ DOUBLE-BUFFERED DATA INPUT  
ꢀ INPUT REGISTER DATA READBACK  
ꢀ SMALL LQFP-48 PACKAGE  
The DAC7742 features a standard 16-bit parallel interface with  
double buffering to allow asynchronous updates of the analog  
output, and data read-back to support data integrity verification  
prior to an update. A user-programmable reset control allows  
the DAC output to reset to min-scale (FFFFH) or mid-scale  
(7FFFH) overriding the DAC register values. The DAC7742 is  
available in an LQFP-48 package and three performance  
grades specified to operate from –40°C to +85°C.  
ꢀ SUPPORTS TRANSPARENT DATA INPUT  
OPERATION  
APPLICATIONS  
ꢀ PROCESS CONTROL  
ꢀ ATE PIN ELECTRONICS  
ꢀ CLOSED-LOOP SERVO CONTROL  
ꢀꢀMOTOR CONTROL  
ꢀꢀDATA ACQUISITION SYSTEMS  
REFOUT REFIN  
VDD VSS VCC  
REFADJ  
VREF  
ROFFSET  
Buffer  
RFB2  
REFEN  
CS  
+10V  
Reference  
R/W  
Control  
Logic  
RFB1  
RST  
RSTSEL  
SJ  
Input  
Register  
DAC  
Register  
I/O  
Buffer  
Data I/O  
DAC  
16  
VOUT  
AGND  
DGND  
LDAC  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 2002-2007, Texas Instruments Incorporated  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
www.ti.com  
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DAC7742YB/2KG4 替代型号

型号 品牌 替代类型 描述 数据表
DAC7742YB/250 TI

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